319185560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9767}}^1$

素因数の和:9840

約数の個数: 64

約数和(自身を含む): 773625600

約数和(自身を除く): 454440040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 3268, 4085, 6536, 8170, 9767, 16340, 19534, 32680, 39068, 48835, 78136, 97670, 185573, 195340, 371146, 390680, 419981, 742292, 839962, 927865, 1484584, 1679924, 1855730, 2099905, 3359848, 3711460, 4199810, 7422920, 7979639, 8399620, 15959278, 16799240, 31918556, 39898195, 63837112, 79796390, 159592780, 319185560]

約数ペア:

[(1, 319185560), (2, 159592780), (4, 79796390), (5, 63837112), (8, 39898195), (10, 31918556), (19, 16799240), (20, 15959278), (38, 8399620), (40, 7979639), (43, 7422920), (76, 4199810), (86, 3711460), (95, 3359848), (152, 2099905), (172, 1855730), (190, 1679924), (215, 1484584), (344, 927865), (380, 839962), (430, 742292), (760, 419981), (817, 390680), (860, 371146), (1634, 195340), (1720, 185573), (3268, 97670), (4085, 78136), (6536, 48835), (8170, 39068), (9767, 32680), (16340, 19534)]